* {
    margin: 0;
}

.center {
    width: 1200px;
    /*border: 1px solid red;*/
    margin: auto;

}

.title {
    color: rgb(230, 145, 55);
    font-size: 30px;
    padding: 10px;
}
/*-----------------------------------------------*/
.top {
    color: white;
    /*width: 1000px;*/
    height: 620px;
    background-image: url("../img/banner_qtah.jpg");
    /*    图片没有显示完全，就应该让图片和外面的div百分百适应*/
    background-size: 100% 100%;
    background-repeat: no-repeat;

}

.top > div {
    display: flex;
    justify-content: center;
}

.top > div > div {
    width: 1000px;
}

/*----------------------公司信息-----------------------------------*/
/*.top > div:nth-child(1) > div:nth-child(1) {*/
/*    float: left;*/
/*}*/

/*.top > div:nth-child(1) > div:nth-child(2) {*/
/*    float: right;*/
/*}*/
/*公司信息居中*/
.top > div:nth-child(1) {

    /*margin: auto;*/
    /*display: flex;*/
    /*justify-content: center;*/
}

.top > div:nth-child(1) > div {
    /*width: 1000px;*/
    /*border: 1px solid red;*/
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top > div:nth-child(1) > div > div:nth-child(1) {
    height: 141px;
    width: 204px;
}

.top > div:nth-child(1) > div > div:nth-child(1) img {
    height: 100%;
    width: 100%;
}

.top > div:nth-child(1) > div > div:nth-child(2) {
    display: flex;
    align-items: center;
}

.top > div:nth-child(1) > div > div:nth-child(2) > div:nth-child(1) {
    background-image: url("../img/icon2_03_uc2a.png");
    width: 30px;
    height: 30px;
}

/*---------------导航---华丽的分隔符------------------------*/
.top > div:nth-child(2) {
    background-color: rgb(230, 145, 55);
    height: 50px;
    /*display: flex;*/
    /*justify-content: center;*/
}

/*導航居中*/
.top > div:nth-child(2) > div {
    /*width: 1000px;*/
    /*border: 1px solid red;*/
    display: flex;
    align-items: center;
}

.top > div:nth-child(2) > div > div {
    /*border: 1px solid red;*/
    /*margin: 20px;*/
    padding: 0 20px;
    /*height: 50px;*/
    line-height: 50px;
}

.top > div:nth-child(2) > div > div:hover {
    background-color: white;
    color: rgb(230, 145, 55);
    cursor: pointer;
}

/*--------广告信息----------------*/
.top > div:nth-child(3) > div {
    /*border: 1px solid red;*/
}

.ad > div:nth-child(2) > div {
    line-height: 30px;
}

.top > div:nth-child(3) > div > div:nth-child(1) {
    font-size: 40px;
    padding: 40px 0 20px;
    /*padding-top: 40px;*/
}

.top > div:nth-child(3) > div > div:nth-child(3) {
    font-size: 30px;
    color: rgb(230, 145, 55);

}

.top > div:nth-child(3) > div > div:nth-child(3) > div {
    /*line-height: 50px;*/
}

.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(1) {
    display: flex;
    align-items: flex-end;
}

/*奇数odd偶数even*/
.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(1) > div:nth-child(odd) {
    color: white;
    font-size: 20px;

}

.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(1) > div:nth-child(even) {
    margin-right: 30px;

}

.top > div:nth-child(3) > div > div:nth-child(3) > div:nth-child(2) {
    text-indent: 1.5em;
}